C# / .Net Developer

CEI; Columbia, Northern (SC, KY); Hybrid; USD 57,000 - 81,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Job summary

CEI in Columbia, SC seeks a C# / .NET Developer to join a Windows Server operations team. You will work on full-stack web applications, SQL, and API integrations, with a focus on troubleshooting and production-support tooling.

The role involves the full SDLC and collaboration with infrastructure and operations teams to translate operational needs into reliable solutions; hybrid on-site Tue/Thu, 6-month W2 contract with potential extension.

Qualifications

• 4+ years of application development experience.
• Experience with C# / .NET and ASP.NET for web applications.
• Strong SQL Server experience including working with database objects.
• Frontend basics with JavaScript, HTML, CSS.

Responsibilities

• Design, develop, and support internally developed web apps and automation solutions for enterprise server operations.
• Participate across the full SDLC: requirements gathering, design, development, testing, deployment, and documentation.
• Build and modify web apps and components using modern full-stack practices.
• Create, maintain, and optimize SQL Server database objects to support application functionality.
• Integrate systems and workflows using REST APIs and related patterns.
• Troubleshoot production issues and implement fixes and enhancements.
• Collaborate with infrastructure/operations teams to identify automation opportunities.

Skills

C# / .NET

ASP.NET

SQL Server

JavaScript/HTML/CSS

Full-stack development

Production support

Problem solving

Education

Bachelor's degree in Computer Science, Information Technology, or a related field

Tools

REST APIs

GitHub

PowerShell

Ansible

Hyper-V

Job description

Back C# / .Net Developer
Application Development Columbia , South Carolina Contract Hybrid Oct 9, 2026

• Title: C# / .Net Developer
• Location: Columbia, SC (Hybrid - onsite Tuesday/Wednesday/Thursday, and as needed)
• Contract: W2 only, 6-month contract with potential for extension or conversion to full time with the client
• Pay: $ 50/hour + optional medical, dental, vision, 401(k) match

Overview

Join a Windows Server operations team building and enhancing internally developed applications and automation solutions that support enterprise service operations. This role focuses on full-stack web application development, SQL work, and API integrations, with a strong emphasis on troubleshooting and improving production-support tooling. You'll collaborate closely with infrastructure and operations teams to translate operational needs into practical, reliable solutions.

Key Responsibilities

• Design, develop, enhance, and support internally developed web applications and automation solutions for enterprise server operations
• Participate across the full SDLC: requirements gathering, solution design, development, testing, implementation, and documentation
• Build and modify web applications and supporting components using modern full-stack practices
• Create, maintain, and optimize SQL Server database objects and data structures to support application functionality
• Integrate systems and workflows using REST APIs and related integration patterns
• Troubleshoot application issues, analyze production problems, and implement fixes and enhancements
• Partner with infrastructure/operations engineers to identify opportunities for automation and process improvement

Required Skills

• 4 Years of Application Development experience.
• C# and .NET development experience
• ASP.NET and web application development experience
• Microsoft SQL Server (including working with database objects and supporting application data needs)
• JavaScript, HTML, and CSS
• Proven full-stack development capability (not solely front-end/UI focused)
• Ability to support and troubleshoot production business applications in a fast-paced environment
• Strong problem-solving skills focused on logic and practical implementation (not syntax-only development)

Education

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent combination of education and experience)

Preferred Skills

• ServiceNow development, administration, or workflow automation experience
• PowerShell automation/scripting
• REST API development and broader integration experience
• GitHub operational knowledge
• Ansible automation and YAML experience
• Hyper-V experience

Why Should I Apply?

If you enjoy building practical automation and application enhancements that directly improve day-to-day enterprise operations, this role offers hands‑on ownership across development, integration, and production support in a highly collaborative environment.

About CEI:

As a trusted technology partner, CEI delivers solutions that help our customers transform their business and achieve meaningful results. From strategy and custom application development through application management - our technology and digital experience services are tailored to meet each unique need of our customers. Our staffing solutions bring specialized skills to complement our customers' workforce and project requirements.

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